[mlnx]: Add support of Mellanox SN2740 platform. (#786)

- Update SAI (added support of SN2740 profile).
- Update SDK to version 4.2.3130.
- Update FW to version 13.1224.0140.
- Update HW MGMT to version 1.0.0160.

Author: oleksandrivantsiv

device/mellanox/x86_64-mlnx_msn2740-r0/ACS-MSN2740/port_config.ini

@@ -0,0 +1,33 @@
+# name          lanes
+Ethernet0       0,1,2,3
+Ethernet4       4,5,6,7
+Ethernet8       8,9,10,11
+Ethernet12      12,13,14,15
+Ethernet16      16,17,18,19
+Ethernet20      20,21,22,23
+Ethernet24      24,25,26,27
+Ethernet28      28,29,30,31
+Ethernet32      32,33,34,35
+Ethernet36      36,37,38,39
+Ethernet40      40,41,42,43
+Ethernet44      44,45,46,47
+Ethernet48      48,49,50,51
+Ethernet52      52,53,54,55
+Ethernet56      56,57,58,59
+Ethernet60      60,61,62,63
+Ethernet64      64,65,66,67
+Ethernet68      68,69,70,71
+Ethernet72      72,73,74,75
+Ethernet76      76,77,78,79
+Ethernet80      80,81,82,83
+Ethernet84      84,85,86,87
+Ethernet88      88,89,90,91
+Ethernet92      92,93,94,95
+Ethernet96      96,97,98,99
+Ethernet100     100,101,102,103
+Ethernet104     104,105,106,107
+Ethernet108     108,109,110,111
+Ethernet112     112,113,114,115
+Ethernet116     116,117,118,119
+Ethernet120     120,121,122,123
+Ethernet124     124,125,126,127

device/mellanox/x86_64-mlnx_msn2740-r0/ACS-MSN2740/sai.profile

@@ -0,0 +1 @@
+SAI_INIT_CONFIG_FILE=/usr/share/sai_2740.xml

device/mellanox/x86_64-mlnx_msn2740-r0/hw-management

@@ -0,0 +1 @@
+/etc/mlnx/msn2740

device/mellanox/x86_64-mlnx_msn2740-r0/installer.conf

@@ -0,0 +1 @@
+ONIE_PLATFORM_EXTRA_CMDLINE_LINUX="acpi_enforce_resources=lax acpi=noirq"